In this activity, learners will experiment with ultraviolet light sensitive plastic beads, which are generally white but turn colors when exposed to UV light. Participants are informed about the nature and risks of UV light and are asked to explore...(View More) what types of materials keep the beads, and hence the user, safe from UV light.(View Less)

This is a brief activity about the mathematics of Mars. By playing this matching card game, learners will gain knowledge of Mars mathematical facts and vocabulary. Note: Find the latest information and updates on Mars missions at the NASA Mars...(View More) Exploration website (see Related & Supplemental Resources to the right).(View Less)